androiddeployqt invokes SDK tools and changes project name to "QtApp" every time, that also overwritten build.xml. I fixed it by using a script workaround..

Default AndroidManifest located at Qt5/5.3/android_armv7/src/android/java/AndroidManifest.xml, things you must change are package name, android:icon, uses-permission and uses-feature. Please refer to file on Github